I installed a new water heater about 2 months ago and I hear this cracking noise most of the time, even when I have not used the hot water. Does anyone have an idea of what could possibly be causing that noise? I called the plumber who installed it but he refused to come to see it.
Erick
Best Answer
Keep in mind your water heater doesn't only run when you're using hot water. (assuming you have a regular tank-style unit, tankless are a very different beast) There's a number of things that COULD potentially be causing the noise but without more details it's gonna be impossible to say what. Unless you notice any other symptoms I wouldn't worry about it.